Home / 907,418.36-1,361,127.58-338,843.86

Finding the Fourth Proportional to 907,418.36, 1,361,127.58 and 338,843.86

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Solution

The fourth proportional to 907,418.36, 1,361,127.58 and 338,843.86 is: 508,265.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,418.36 : 1,361,127.58 = 338,843.86 : x
  2. Step 2: Convert to fraction form
    907,418.36/1,361,127.58 = 338,843.86/x
  3. Step 3: Cross multiply
    907,418.36x = 1,361,127.58 × 338,843.86
  4. Step 4: Simplify right side
    907,418.36x = 461,209,714,659.80
  5. Step 5: Solve for x
    x = 461,209,714,659.80/907,418.36
  6. Step 6: Final answer
    x = 508,265.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.